IDT23S08-3DCI

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IDT23S08-3DCI is a highly-integrated multi-output fractional divider PLL (FD-PLL) in a 4mmx4mm QFN package. It integrates a bank of 8 fractional dividers (FDs), a phase frequency detector (PFD), a charge pump (CP) and a voltage-controlled-oscillator (VCO) onto a single die. This FD-PLL/TCXO solution has a low current consumption and takes up a small form factor. It can achieve a wide frequency range, making it an ideal solution for mobile handsets, graphical displays, tablets, and any other applications which require high performance signal-clocks.

The IDT23S08-3DCI has multiple clock outputs with any combination of frequencies and duty cycles along with an integrated XO. The clock outputs of the device can be programmed to function as an LVPECL (positive edge only), an LVDSS, a sine wave, a pulse-width-modulated (PWM), and a programmable duty cycle oscillator output (PCO) on any combination of the 8 output banks. The IDT23S08-3DCI’s oscillator is designed to optimize jitter performance while saving power consumption.

The working principle of the IDT23S08-3DCI is based on the capture and recirculate technique used by most FD-PLLs. A differential input signal is fed into the PFD and divided by the N or R dividers to produce the reference or divided-down clock. The output of the PFD is then coupled with the up/down count request from the CP and the feedback signal from the output of the N or R dividers. This information is then processed by the loop filter and sent to the VCO block to generate the clock signal of the desired frequency.

The IDT23S08-3DCI is primarily used in consumer electronics devices, where small size and cost are key factors for end products. It is also used in low-power, low-voltage applications, such as mobile handsets, notebooks, and tablets. In addition, the device is used in data communication systems, including xDSL, GPON, and multistage telecommunications systems. Other applications include medical and industrial instruments, active industrial networks, and embedded systems.

The IDT23S08-3DCI can also be used in a wide range of high-performance applications, such as high-speed telecommunications, where low jitter performance is critical. It is also suitable for clocking of high-speed ASICs and data converters. The device can also be used in video and audio equipment, including video cameras, set-top boxes, and radio receivers.

The IDT23S08-3DCI is a highly-integrated multi-output fractional divider PLL (FD-PLL) with a wide range of applications in consumer electronics and high- performance systems. The PLL is designed to optimize jitter performance while consuming minimal power. The device can be used to generate any combination of frequencies and duty cycles with low jitter. It is an ideal solution for mobile handsets, graphical displays, tablets, and any other applications that require high performance signal-clocks.

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